ramnit | 6652c71805f46aaf3b8080719ad66ae33745ef7d6f26973b695a86e7e656e6c8

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 01:16

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General

Target

JaffaCakes118_41f6fcd07fc91a89a51902ec3a458104.dll
Size

647KB
MD5

41f6fcd07fc91a89a51902ec3a458104
SHA1

19dc3c0e0ff4e7fa36ce50cea58551a7e61cf363
SHA256

6652c71805f46aaf3b8080719ad66ae33745ef7d6f26973b695a86e7e656e6c8
SHA512

b9f3c2419643a72107b0bcbb4f411d702bedd4b00aca5611e2970d7047b409c1566fef2834d0bc85240343b14701b76b43889a4571f517ca5210aca437666c54
SSDEEP

12288:5E7NiOLg18+1/hv5VEipyz7mTWWa8afR2ftuD1xbmiUWAoUK:5E3+F5GipwuWWpj+pUK

Score

10^/10

ramnit banker discovery spyware stealer trojan upx worm

Malware Config

Signatures

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Ramnit family
ramnit

Executes dropped EXE 2 IoCs

pid	Process
2264	rundll32mgr.exe
4480	WaterMark.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2264-6-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2264-7-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2264-11-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2264-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2264-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2264-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2264-9-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4480-26-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4480-28-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4480-36-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4480-37-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/4480-38-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxA23B.tmp	rundll32mgr.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
368	1480	WerFault.exe	87
3992	4844	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 33 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153130"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153130"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153130"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{FE979C1B-C7DD-11EF-ADF2-6AACA39217E0} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3541162605"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153130"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3542100019"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442459149"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3541162605"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3542100019"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe
4480	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	WaterMark.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4888	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4888	iexplore.exe
4888	iexplore.exe
1964	IEXPLORE.EXE
1964	IEXPLORE.EXE
1964	IEXPLORE.EXE
1964	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2264	rundll32mgr.exe
4480	WaterMark.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4844	5076	rundll32.exe	82
PID 5076 wrote to memory of 4844	5076	rundll32.exe	82
PID 5076 wrote to memory of 4844	5076	rundll32.exe	82
PID 4844 wrote to memory of 2264	4844	rundll32.exe	83
PID 4844 wrote to memory of 2264	4844	rundll32.exe	83
PID 4844 wrote to memory of 2264	4844	rundll32.exe	83
PID 2264 wrote to memory of 4480	2264	rundll32mgr.exe	85
PID 2264 wrote to memory of 4480	2264	rundll32mgr.exe	85
PID 2264 wrote to memory of 4480	2264	rundll32mgr.exe	85
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 1480	4480	WaterMark.exe	87
PID 4480 wrote to memory of 4888	4480	WaterMark.exe	91
PID 4480 wrote to memory of 4888	4480	WaterMark.exe	91
PID 4480 wrote to memory of 1532	4480	WaterMark.exe	92
PID 4480 wrote to memory of 1532	4480	WaterMark.exe	92
PID 4888 wrote to memory of 1964	4888	iexplore.exe	93
PID 4888 wrote to memory of 1964	4888	iexplore.exe	93
PID 4888 wrote to memory of 1964	4888	iexplore.exe	93

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41f6fcd07fc91a89a51902ec3a458104.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_41f6fcd07fc91a89a51902ec3a458104.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4844
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:2264
  - - C:\Program Files (x86)\Microsoft\WaterMark.exe
      "C:\Program Files (x86)\Microsoft\WaterMark.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:4480
    - - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        5⤵
        
        PID:1480
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 204
        6⤵
        Program crash
        
        PID:368
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:4888
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4888 CREDAT:17410 /prefetch:2
        6⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1964
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        Modifies Internet Explorer settings
        
        PID:1532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 580
    3⤵
    - Program crash
    PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4844 -ip 4844
1⤵
PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1480 -ip 1480
1⤵
PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
febff5e5b64433316ee5f116c5c14309

SHA1
55a533777edeed0d18304f073d59d5ca1e5c7737

SHA256
888dd735b3cf97e714243c7ecf44064128c4a97452b90ebbc66e317a113ef9a4

SHA512
cbadeca5bbd2528b4af7ad6d053483adac27db83bfcd8b75312a5aa4b09302f729b67a04bbb9af840cb3abd78ec668b5a6c8746685ba0f15780b5e0ea3dd88d8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
a680d00c45947320366492a3f053c18e

SHA1
22769220be9cffcc1ad680440bf0ce6bbda7ef93

SHA256
fe1c67e672cb616eb92689886736faf416ea8c8cebb302e8699b7870d5f4f7af

SHA512
40e9d98911b380f74a2d24ca521fdd664be23d8ff365a8e24816d99e4c8d4e4df5d3c66a459ec3d4256608ddcca120adf5e11e2c75189418e73a343e4f583f78

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver25A4.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\rundll32mgr.exe

Filesize
60KB

MD5
94f2f6ffbba8e7644668b51b39983916

SHA1
63357bbdf90101969117983dbc0d4ed0e713c4d7

SHA256
ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed

SHA512
d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156

Download Submit
memory/1480-32-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/1480-31-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

Filesize
4KB

Download
memory/2264-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2264-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2264-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2264-10-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/2264-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2264-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2264-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2264-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4480-29-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/4480-34-0x00000000777E2000-0x00000000777E3000-memory.dmp

Filesize
4KB

Download
memory/4480-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/4480-36-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4480-37-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4480-38-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4480-28-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4480-27-0x00000000029B0000-0x00000000029B1000-memory.dmp

Filesize
4KB

Download
memory/4480-26-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4844-33-0x00000000751A0000-0x0000000075248000-memory.dmp

Filesize
672KB

Download
memory/4844-1-0x00000000751A0000-0x0000000075248000-memory.dmp

Filesize
672KB

Download